142 lines
3.8 KiB
PHP
142 lines
3.8 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2018 F7cloud GmbH and F7cloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OCA\LogReader\Command;
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use OC\Core\Command\Base;
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use OC\Core\Command\InterruptedException;
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use OCA\LogReader\Log\Formatter;
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use OCA\LogReader\Log\LogIteratorFactory;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Output\OutputInterface;
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use Symfony\Component\Console\Terminal;
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class Watch extends Base {
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public const LEVELS = ['Debug', 'Info', 'Warning', 'Error', 'Fatal'];
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public const ALL_LEVELS = [0, 1, 2, 3, 4];
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private $formatter;
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private $logIteratorFactory;
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public function __construct(Formatter $formatter, LogIteratorFactory $logIteratorFactory) {
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parent::__construct();
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$this->formatter = $formatter;
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$this->logIteratorFactory = $logIteratorFactory;
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}
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protected function configure() {
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$this
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->setName('log:watch')
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->setDescription('Watch the f7cloud logfile')
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->addOption('raw', 'r', InputOption::VALUE_NONE, 'Output raw log json instead of formatted log item');
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parent::configure();
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}
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private function getLastLogId() {
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$logIterator = $this->logIteratorFactory->getLogIterator(self::ALL_LEVELS);
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$logIterator->next();
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if ($logIterator->current() !== null) {
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return $logIterator->current()['reqId'];
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}
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}
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protected function execute(InputInterface $input, OutputInterface $output): int {
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$raw = $input->getOption('raw');
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return $this->watch($raw, $output);
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}
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public function watch(bool $raw, OutputInterface $output): int {
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$terminal = new Terminal();
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$totalWidth = $terminal->getWidth();
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// 8 level, 18 for app, 26 for time, 6 for formatting
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$messageWidth = $totalWidth - 8 - 18 - 26 - 6;
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$lastId = $this->getLastLogId();
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while (true) {
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usleep(100 * 1000);
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try {
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$this->abortIfInterrupted();
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} catch (InterruptedException $e) {
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break;
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}
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$id = $this->getLastLogId();
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if ($id !== $lastId) {
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$iterator = $this->logIteratorFactory->getLogIterator(self::ALL_LEVELS);
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$iterator->next();
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$lines = [];
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while ($iterator->valid() && count($lines) < 10) {
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$line = $iterator->current();
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if ($line['reqId'] === $lastId) {
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break;
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}
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if (!is_null($line)) {
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$lines[] = $line;
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}
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$iterator->next();
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}
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array_reverse($lines);
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foreach ($lines as $line) {
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if ($raw) {
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$output->writeln(json_encode($line));
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} else {
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$this->printItem($line, $output, $messageWidth);
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$output->writeln('');
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}
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}
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$lastId = $id;
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}
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}
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return 0;
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}
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private function printItem(array $logItem, OutputInterface $output, int $messageWidth) {
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$widths = [8, 18, $messageWidth, 26];
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$parts = [
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self::LEVELS[$logItem['level']],
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wordwrap($logItem['app'], 18),
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$this->formatter->formatMessage($logItem, $messageWidth),
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$logItem['time'],
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];
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$partLines = array_map(function ($part) {
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return explode("\n", $part);
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}, $parts);
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$lineCount = array_reduce($partLines, function (int $count, array $lines) {
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return max($count, count($lines));
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}, 0);
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$partLines = array_map(function (array $lines) use ($lineCount) {
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return array_pad($lines, $lineCount, '');
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}, $partLines);
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$partLines = array_map(function (array $lines, int $width) {
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return array_map(function (string $line) use ($width) {
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return str_pad($line, $width);
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}, $lines);
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}, $partLines, $widths);
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$lines = array_map(function (int $lineNumber) use ($partLines) {
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$partsForLine = array_map(function (array $lines) use ($lineNumber) {
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return $lines[$lineNumber];
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}, $partLines);
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return implode(' ', $partsForLine);
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}, range(0, $lineCount - 1));
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foreach ($lines as $line) {
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$output->writeln(' ' . $line);
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}
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}
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}
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